BAKE for 8 to 12 minutes, or until edges are lightly browned. Cool on baking sheets for 2 minutes; remove to wire racks to cool completely.

FOR TOPPING:MICROWAVE morsels and vegetable shortening in a small, heavy-duty plastic bag on HIGH power for 1 minute; knead. Microwave at additional 10 to 20-second intervals, kneading until smooth. Cut tiny corner from bag; squeeze to drizzle over cookies.